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Vulnerability record · public intelligence
CVE-2025-66553
MEDIUM

Nextcloud Tables app allowed users to view columns metadata information of any table

Published Dec 5, 2025 · Updated Nov 3, 2026

Severity · CVSSMEDIUM · Not scored
Known exploitationNot listed
EPSS / likelihood0.28%
QFinch risk scoreNot available

Original summary

Normalized public record · Updated Nov 3, 2026

Nextcloud Tables app allowed users to view columns metadata information of any table

Publisher and source text is retained separately from QFinch interpretation.

QFinch assessment

Nextcloud Tables allows you to create your own tables with individual columns. Prior to 0.8.7 and 0.9.4, authenticated users were able to view meta data of columns in other tables of the Tables app by modifying the numeric ID in a request. This vulnerability is fixed in 0.8.7 and 0.9.4.

Evidence: public source records

Affected products

Affected scope reported by the available public evidence
Affected package, product or rangeFix status
Consult the referenced vendor advisory for affected versions.Consult source advisory

Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.

Remediation

Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.

  1. Confirm the affected product and reachable code path exist in your environment.
  2. Apply the vendor-supported patch or mitigation from the primary advisory.
  3. Rescan the exact deployed revision and retain verification evidence.
Review primary references

Evidence coverage

FIRST-EPSSCVE-LIST-V5
SSVC priority
LOW
Confidence
Not available
Aliases
None reported

Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.

Sources and record history

  1. Security advisory ↗
  2. Source repository ↗
  3. Patch commit ↗
  4. https://hackerone.com/reports/3138721 ↗

Record history

Published Dec 5, 2025 · Last refreshed Nov 3, 2026